Home / 188,725.50-260,433.78-108,095.64

Finding the Fourth Proportional to 188,725.50, 260,433.78 and 108,095.64

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Solution

The fourth proportional to 188,725.50, 260,433.78 and 108,095.64 is: 149,167.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,725.50 : 260,433.78 = 108,095.64 : x
  2. Step 2: Convert to fraction form
    188,725.50/260,433.78 = 108,095.64/x
  3. Step 3: Cross multiply
    188,725.50x = 260,433.78 × 108,095.64
  4. Step 4: Simplify right side
    188,725.50x = 28,151,756,126.72
  5. Step 5: Solve for x
    x = 28,151,756,126.72/188,725.50
  6. Step 6: Final answer
    x = 149,167.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.